I know this is an old ticket, but I thought I would point out the two biggest differences that I've noticed.
Firstly, the bands. Verizon has SEVERELY restricted the radio to the following frequences:
LTE: 13(700), 4(1700/2100 AWS), 2(1900 PCS), 3(1800), 7(2600), LTE CA 13+4 (10+10)
...and...